From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0A8E1CA9EBE for ; Sat, 10 Oct 2026 14:30:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:Subject:References:In-Reply-To:Message-Id:Cc:To:From:Date: MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0CmHHOOqX+1xiZjtZ5DWDZbtI4XzSSaR1wpGb5qLQP4=; b=j9xEmlzo+lzh4ZlWYZREchgL4W GwTUv8mLbpXIoFxoTJgaYxkqI7vBh44Ck/Sy1uo2QU+NHbBaNjy163e213Ohf8MvgNYuwmmE7lQpb gtTe6AD48oIt+Zg5JOkkI+k9f7KuonM44r6/0R0p57bIJjdKe1LoiyRZsR90jsdVcv36B78nioh0N m+ol+/lMRbsCtdl1i7jJNuyk+ZPpS9KRerAvebP6gN/hz9IrntkSvodOfSBmQBwY6GAH3X+6Z5ss0 7ZnDQzbay/ouTizn4wF/twx/puMIq+oDAyKLeAuLzn/+nz6yO0mJET0/fXSGfrhiSUB6ZAxlKwPsj vc6vs3wg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xFY5o-00000008Aej-3bbV; Sat, 10 Oct 2026 14:30:32 +0000 Received: from fout-b1-smtp.messagingengine.com ([202.12.124.144]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xFY5m-00000008Ae2-3CIq for linux-arm-kernel@lists.infradead.org; Sat, 10 Oct 2026 14:30:32 +0000 Received: from ams-compute-02.internal (ams-compute-02.internal [10.64.2.62]) by mailfout.stl.internal (Postfix) with ESMTP id 5F1231D000B1 for ; Sat, 10 Oct 2026 10:30:29 -0400 (EDT) Received: from ams-imap-03 ([10.64.2.23]) by ams-compute-02.internal (MEProxy); Sat, 10 Oct 2026 10:30:29 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arndb.de; h=cc :cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm1; t=1791642617; x=1791729017; bh=0CmHHOOqX+1xiZjtZ5DWDZbtI4XzSSaR1wpGb5qLQP4=; b= gMjmK/fwNMCVh2Ls31/FUtQU4K6wi15Xd4TwcHZDn2UKi6wxNBjmGUNfO8Q/zGNp MuOFLP95dD4ejE0BE1jEG4PPxGGd3ex7OCvvj2JVd9zS/Rehk9Nm/VWS552sMajg HFrHKNgv6x4EKrPiIZmEeIMuQuWg6LAeMQvlPcsTUft5ACOAtKgJ10OF9mD1BCVM tjW4FtpHrZehJ3sztWMUhmq740LosVKhZdkELz5pHm7XL7o/SHVu74KGP2vdcGnv 1KtYcV3SyBIXXBqACb3HUmg5XjXI8/0JMfhPyypzRJRoxHYMG70Ozyt3RoMdgogT 6PL8IyW2t89KFuFWbq5tzg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t=1791642617; x= 1791729017; bh=0CmHHOOqX+1xiZjtZ5DWDZbtI4XzSSaR1wpGb5qLQP4=; b=i LhmRthQ6DQxkp4LY0LfhZoUmNpl/AYB4qhFOJtCs4jcAiyD5RArDa/UwSt3e9LzH tuVV4SjNHnCHQBvKUqrIVyWGXG0Ekj0TgBP8eeVeVKxsMGKTesC5p5a4WIUTWOZ6 gcGBHC4vWrLvFcu0g+IuZZN9wY4DDp6C/BB/b/FisbQ9w1Dc62lvUvgJDn6oPRQM xtpOwKbZrQ/13pckCRb5aR9UgrQCWCX/Lsc4ahj2XRunfnTnk/WXP259RXge8jx8 pm2dAeubd+21CzGkW/a507WeNS/isgjaopKl1w/pghaoUsvtI+Q1bHYwwpocegh0 IsF+DiiF/VBkiuAW8SJ1A== X-DKIM2-Info: draft=ietf-dkim-dkim2-spec-06; repo=github.com/dkim2wg/interop; date=2026-10-04; sw=lmtpprox; action=sign d=arndb.de a=rsa-sha256; DKIM2-Signature: i=1; m=1; t=1791642617; d=arndb.de; mf=PGFybmRAYXJuZGIuZGU+; rt=PGxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZz4=; s=fm1:rsa-sha256:juceOXH3rZNohkvXXlRZ980nlXCnqAI86yFxau8ovokKr74 uKTyRA0D2RPXBNbt00jI0AYwXd3y7HYmT7dMFjVRP6+uL61ZSUYCbtqIMiwhoIiZ MXDTJX8OhmbRBT5tkMB3EvzTSDlGKw7oIiBBxnfSeeQcEYl0ts5VNuHrb80qniTg WBr8UNVhxJqxBrNZbE0hninLppJCTcZcIbHhrGszzluQyH7JR70Nr093mG6LnQtB 6XDXw6Z+3Jy3PFFtOn5MxKQUeKHijDz2w1OspWZS+QPPRLhTDsYw54Vu3VQcNTyC cxDORC6QOuZNlvItWWxFgHK8XyyGnbl4PA9XNcQ==; X-DKIM2-Info: draft=ietf-dkim-dkim2-spec-06; repo=github.com/dkim2wg/interop; date=2026-10-04; sw=lmtpprox; action=mi-m=1; hc=12; hn=cc,content-transfer-encoding,content-type,date,feedback-id, from,in-reply-to,message-id,mime-version,references,subject,to; Message-Instance: m=1; h=sha256:FCcUwALsvQPD3s++e8KnBI5uHlN28iyXWaXFw9GfpwU=:kTyOPd6sbaAaSQGfySTZuG3Q9c4EjZEa+S4p9EOIzrc=; X-ME-Sender: X-ME-Proxy-Cause: dmFkZTF4Y9Jpn4smgjHjjJaLUEX5km7VArfjakyh/rS/HxayXIDGX6XwBgWL2nNPJeORLV kN1T+O3NxkMrs/Bt7/kAl5iYFPrLFMA8o+5995r+lhyUxiAFJ/7MxBadEFMNcWO4/YHCiU cTmo+QAy9/pybqXrSDfZbttd8jmIBeghrYwkNVYgAFAiKjnzKoF0/njU3lFZk7DC51Zljx 483DEzAYYpf3mAlilXBxRNWRtWaFFGumKANspl647AiglokZXmAW3tgjsyOcTJAXPraX/W 694MS5Vda9p5JzxD1BqxsIxFq0Brta5NSXZYVzsQUgV2s8sXBMFJLCqrgkhYDZbQHlMfEo HjEXWfXU6ZLnvg4gluDtigOrYh9zGswAh+fvNJZGS3dwJkG0tut75+jh1JOa1gzhW90yBX LM/FSxZVv+R5FRP733Kkqoj+7nZ3Hxpvq3vFrIzBWLdEkWsY/JKinIJcVnVwOMrXEWqaFh CIXZarxZ55fjTv+HCWn2F1kN+/w6calR/XEWhaf4rK62eQ63YFPW3fbU7WNAf2ffH54OZu Z2Q/dF/FFLLiDC9RC8sKZ7Gw9KPiFILP5RwTY3P9ioSIrpTX+ztTpHsnfTa5lpPMMSsdQi 3pP0G/aNaNrsvjEzim72/QMP0NZcK/QoLVyCraUZE8q+OcyVdRMtPJlmTABA X-ME-Proxy: Feedback-ID: i56a14606:Fastmail Received: by mailuser.ams.internal (Postfix, from userid 501) id AAA7E32A008E; Sat, 10 Oct 2026 10:30:09 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 X-ThreadId: AYDIbhfDD_9F Date: Sat, 10 Oct 2026 16:29:49 +0200 From: "Arnd Bergmann" To: "Karl Mehltretter" , "Gary Guo" Cc: "Russell King" , "Miguel Ojeda" , "Boqun Feng" , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , "Benno Lossin" , "Andreas Hindborg" , "Alice Ryhl" , "Trevor Gross" , "Danilo Krummrich" , "Daniel Almeida" , "Tamir Duberstein" , "Alexandre Courbot" , =?UTF-8?Q?Onur_=C3=96zkan?= , "Linus Walleij" , "Christian Schrefl" , "Bradley Morgan" , "Paul E. McKenney" , "Nathan Chancellor" , "Nick Desaulniers" , "Bill Wendling" , "Justin Stitt" , linux-arm-kernel@lists.infradead.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Message-Id: <19b80262-a7f2-42d5-a44b-60a36a1ba373@app.fastmail.com> In-Reply-To: References: <20261008053746.49631-1-kmehltretter@gmail.com> <20261008053746.49631-6-kmehltretter@gmail.com> Subject: Re: [PATCH v2 5/6] ARM: rust: Enable Rust support for ARMv4T Content-Type: text/plain Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261010_073030_854025_5158ABD0 X-CRM114-Status: GOOD ( 14.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Oct 9, 2026, at 03:21, Karl Mehltretter wrote: > On Thu, Oct 08, 2026 at 11:08:52AM +0100, Gary Guo wrote: >> > +============= ================ ====================================================== >> > Architecture Level of support Constraints >> > -============= ================ ============================================== >> > -``arm`` Maintained ARMv5TE, ARMv6K and ARMv7, Little Endian only. >> > +============= ================ ====================================================== >> > +``arm`` Maintained ARMv4T, ARMv5TE, ARMv6K and ARMv7, Little Endian only. >> >> Can we say "ARMv4T or above" or something similar? >> > > Plain ARMv6 (CPU_V6, ARM1136r0) and ARMv7-M stay excluded, so "or above" > alone would cover too much. It could be > > ARMv4T and above except plain ARMv6 and ARMv7-M, Little Endian only. > > That is longer than the list. I can change it if there is a preference > for this form. I think your current list is fine. I'm still not sure about ARMv8-A and would not list it either as explicitly included or excluded here. It probably works but this seems hard to guarantee since ARMv6 and ARMv8-A are normally not compatible with one another. Arnd